<template>
  <div class="wrapper">
    <swiper :options="swiperOptions" v-if="showSwiper">
      <!--轮播 slide列表-->
      <swiper-slide v-for="item of list" :key="item.id">
        <img class="swiper-img" :src="item.imgUrl" />
      </swiper-slide>
      <div class="swiper-pagination"  slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>
  export default {
    name: 'HomeSwiper',
    props: {
      list: Array
    },
    data () {
      return {
        swiperOptions: {
          pagination: {
            el: '.swiper-pagination' //设置icon小图标
          },
          autoplay:true //设置自动播放
          // Some Swiper option/callback...
        }
      }
    },
    computed: {
      showSwiper () {
        return this.list.length
      }
    },
    created() {
      //console.log(this.showSwiper)
    }
  }
</script>

<style lang="stylus" scoped>
  .wrapper >>> .swiper-pagination-bullet-active //这个复写子类样式
    background: #fff
  .wrapper
    overflow: hidden
    width: 100%
    height: 0
    padding-bottom: 31.25% //这样写可以先占位防止图片渲染时加载闪烁
    background: #eee
    .swiper-img
      width: 100%
</style>
